Home / 14,328.38-19,773.10-8,040.76

Finding the Fourth Proportional to 14,328.38, 19,773.10 and 8,040.76

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Solution

The fourth proportional to 14,328.38, 19,773.10 and 8,040.76 is: 11,096.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,328.38 : 19,773.10 = 8,040.76 : x
  2. Step 2: Convert to fraction form
    14,328.38/19,773.10 = 8,040.76/x
  3. Step 3: Cross multiply
    14,328.38x = 19,773.10 × 8,040.76
  4. Step 4: Simplify right side
    14,328.38x = 158,990,751.56
  5. Step 5: Solve for x
    x = 158,990,751.56/14,328.38
  6. Step 6: Final answer
    x = 11,096.21

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.